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Q. What is compound?
A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they are in a mixture. In its place they are combined in a way such that the compound has properties that are different from those of the elements of which it is composed. Every compound is represented by a formula a combination of the symbols of the elements that make up the compounds. You may already recognize some chemical formulas such as H2O for water, NaCl for table salt and NH3 for ammonia.
Reactions of Alkaline earth metals with oxygen: Write the reactions of any two elements of group II A with oxygen. Ans. Alkaline earth metals react with oxygen to form corr
How are the following sole produced (a) Sulphur sol (b) Collodion
Need to know about atomic mass of clorine
Describe this blocking by drawing the interaction between water and the catalyst analogous to that of task 1 of this problem. If a metal catalyzes the hydrogenation of alk
can i have some reactions of p block elements such as in water,with oxygen,in acid etc...
Refining of petroleum: Petroleum (crude) extracted from earth's crust is an intimate mixture of many organic compounds. Crude petroleum needs to be purified and its components
Bond-line Notation of organic compounds Occasionally, the bonds in between carbon atoms are denoted by lines. For instance, n -hexane has a continuous chain of six carbon atom
Physical Properties of benzene (a) First property of Benzene is that it is a colourless, mobile and volatile liquid. Its boiling point is 80°C and freezing point is 5.5°C. It c
Carbon and its allotropes Diamond - an extremely hard, transparent crystal, with the carbon atoms arranged in a tetrahedral lattice. A poor electrical conductor. An excelle
why is carbon valency four
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